Krzysztof Kulig is a seasoned software leader and founder with 11 years of experience building product-focused engineering teams and commercial platforms from Poland’s Cracow metro area. As CTO and founder of Prelint, he’s pioneering an AI-first approach to review product and business logic in pull requests—closing the gap between syntactically correct code and correct product behavior. He co-founded Beans to build tech for the coffee industry and is a partner at Tango Digital Agency, where he helps bring digital products to market across design, engineering and growth. Previously he rose through engineering into CTO at Talixo, combining hands-on backend work with strategic technical leadership. An active contributor to the Saleor open-source commerce platform, he’s tackled payment gateway integrations, refunds and checkout/shipping optimizations—experience that informs his product-aware approach to engineering. He holds a bachelor’s degree in theoretical computer science from Jagiellonian University and blends academic rigor with pragmatic startup execution.
11 years of coding experience
11 years of employment as a software developer
The August Witkowski 5th High School
Bachelor's degree Theoretical Computer Science, Bachelor's degree Theoretical Computer Science at Jagiellonian University
Saleor Core: the high performance, composable, headless commerce API.
Role in this project:
Backend Developer
Contributions:151 reviews, 212 commits, 44 PRs in 10 months
Contributions summary:Krzysztof primarily contributed to the backend logic of the Saleor e-commerce platform, focusing on payment gateway integrations and related functionalities. They implemented features for the NP Atobarai payment gateway, including refund and reporting capabilities. The user also addressed bugs and improved existing code, with modifications to payment status management and code refactoring. Further contributions include the optimization of shipping methods logic and checkout processes.
A modular, high performance, headless e-commerce platform built with Python, GraphQL, Django, and React.
Contributions:41 reviews, 33 PRs, 274 pushes in 9 months
pythonecommercedjangoshopping-cartreactjs
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